a-a a-b a-i aaa aab aaf aag aah aai aao aap aar ab- aba abb abf abg abh abi abo abp abr af- afa afb aff afg afh afi afo afp afr ag- aga agb agf agg agh agi ago agp agr aha ahb ahf ahg ahh ahi aho ahp ahr ai- aia aib aif aig aih aii aio aip air aoa aob aof aog aoh aoi aoo aop aor ap- apa apb apf apg aph api apo app apr ar- ara arb arf arg arh ari aro arp arr b-p baa bab baf bag bah bai bao bap bar bba bbb bbf bbg bbh bbi bbo bbp bbr bfa bfb bff bfg bfh bfi bfo bfp bfr bga bgb bgf bgg bgh bgi bgo bgp bgr bha bhb bhf bhg bhh bhi bho bhp bhr bi- bia bib bif big bih bii bio bip bir boa bob bof bog boh boi boo bop bor bpa bpb bpf bpg bph bpi bpo bpp bpr bra brb brf brg brh bri bro brp brr faa fab faf fag fah fai fao fap far fba fbb fbf fbg fbh fbi fbo fbp fbr ffa fff ffg ffh ffi ffo ffp ffr fga fgb fgf fgg fgh fgi fgp fgr fha fhb fhf fhg fhh fhi fho fhp fhr fia fib fif fig fih fii fip fir foa fob fof fog foh foi foo fop for fpa fpb fpg fph fpi fpo fpp fpr fra frb frf frg frh fri fro frp frr g-p gaa gab gaf gag gah gai gao gap gar gba gbf gbg gbh gbi gbo gbp gbr gfa gfb gff gfh gfi gfo gfp gfr gga ggb ggg ggh ggi ggo ggp ggr gha ghb ghg ghh ghi gho ghp ghr gia gib gif gig gih gii gio gip gir goa gob gof gog goh goi goo gop gor gpa gpb gpf gpg gph gpi gpo gpp gpr gra grb grf grg grh gri gro grp grr h-i haa hab haf hag hah hai hao hap har hba hbb hbf hbg hbh hbi hbo hbp hbr hfa hfb hff hfg hfh hfi hfo hfp hfr hga hgb hgf hgg hgh hgi hgo hgp hgr hha hhb hhf hhg hhh hhi hho hhp hhr hia hib hif hig hih hii hio hip hir hoa hob hof hog hoh hoi hoo hop hor hpa hpb hpf hpg hph hpi hpo hpp hpr hr- hra hrb hrf hrg hrh hri hro hrp hrr i-f ia- iaa iab iaf iag iah iai iao iap iar iba ibb ibf ibg ibh ibi ibo ibp ibr ifa ifb iff ifg ifi ifo ifp ifr iga igb igf igg igh igi igo igp igr iha ihb ihf ihg ihh ihi iho ihp ihr iia iib iif iih iii iio iip iir io- ioa iob iof iog ioh ioi ioo iop ior ipa ipb ipf ipg ipi ipo ipp ipr ir- ira irb irf irg iri iro irp irr o-i oaa oab oaf oag oah oai oao oap oar ob- oba obb obf obg obh obi obo obp obr of- ofa ofb off ofg ofi ofo ofp ofr oga ogf ogg ogh ogi ogo ogp oha ohf ohg ohh ohi oho ohp ohr oia oib oif oii oio oip oir oo- ooa oob oof oog ooh ooi ooo oop oor op- opa opb opf opg oph opi opo opp opr or- ora orb orf org orh ori oro orp orr p-p paa pab paf pag pah pai pao pap par pba pbb pbf pbg pbi pbo pbp pbr pfa pfb pff pfg pfi pfo pfp pfr pga pgb pgf pgg pgh pgi pgo pgp pgr pha phb phf phg phi pho php phr pia pib pif pig pih pii pio pip pir poa pob pof pog poh poi poo pop por ppa ppb ppf ppg pph ppi ppo ppp ppr pra prb prf prg prh pri pro prp prr ra- raa rab raf rag rah rai rao rap rar rba rbb rbf rbg rbh rbi rbo rbp rbr rfa rfb rff rfg rfh rfi rfo rfp rfr rga rgb rgf rgg rgh rgi rgo rgp rgr rh- rha rhb rhf rhg rhh rhi rho rhp rhr ria rib rif rig rih rii rio rip rir roa rob rof rog roh roi roo rop ror rpa rpb rpf rpg rph rpi rpo rpp rpr rra rrb rrf rrg rrh rri rrp rrr

a-ha a-ii aaaa aaab aaaf aaah aaai aaap aaar aaba aabb aabh aabi aabp aafa aafb aaff aafi aagh aaha aaib aaii aaoo aapa aaph aapi aapo aara aari aaro aarp abaa abab abaf abag abai abap abar abb- abba abbb abbi abbo abbr abff abha abhi abho abhr abia abib abig abir aboa abob abof aboh aboo abor abpa abpi abpp abpr abra abri abro afaa afao afap afar affa affi affo afgf afgh afia afib afif afig afir afoa afog afoo afor afpa afr- afra afri afro ag-o agag agai agao agap agar agba agbo agfa agga aggi agha agia agib agig agii agio agip agir agob agog agoo agra agri agro agrp ahab ahah ahai ahar ahfa ahha ahio ahip ahir ahoa ahog ahop ahor ahra ahrr aiai aiba aibo aiff aiga aigo aiha aiho aiia aiib aiir aioi aipa aipf aiph aipi aira airh airi airo airp aoah aoba aopo aora aorb apah apai apao apap apar apba apbg apbr apfa apfo apga aph- apha api- apia apig apio apip apo- apof apoo apop apor appa apph appr apra apri apro arab araf arag arah arai arap arar arba arbh arbi arfa arfb arff arga argb argh argi argo arh- aria arib arif arig arii ario arip aroa arob aroi aroo aror arpa arpi arr- arra arrg arrh arri arro arrr ba-i baaa baaf baah baar baba babb babi babo babr baff bafo baga bagg bagh bagi bago baha bahi baho bahr baia baib baig baio bair baoh bapa bapi bapp bar- bara barb barf barg barh bari baro barr bbbb bbga